[Haskell-cafe] Syntax for modifying nested product types

[Tomasz Zielonka]

On Fri, Apr 23, 2004 at 10:11:40AM +0100, Malcolm Wallace wrote:
> If the pattern is very common, how about just naming it?
> 
>     perhaps cond f field = if cond then f field else field
> 
>     foo { bar = perhaps cond0 f (bar foo)
>         , wib = perhaps cond1 g (wib foo) }

Good idea, but I think that name like 'applyIf' or 'condApply' would be
better.

Best regards,
Tom

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